Electrical testing instrument



FIG. 1 is a bottom plan view of the instrument;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is an end view of FIG. 1;

FIG. 4 is a top plan view of the instrument;

FIG. 5 is another end view of FIG. 1;

FIG. 6 is a view with a cover associated with a bottom of the instrument; and,

FIG. 7 is a view with a cover associated with a top of the instrument.

The name “Megger” shown in the claimed design is a registered trademark of Megger Limited. 

The ornamental design for an electrical testing instrument, as shown and described. 